Smlight SLZB-MR3 vs Smlight SLZB-MR4

Data from Amazon and official Smlight site.

2026 verdict

In 2026, the overall verdict here is conditional, not absolute. Smlight SLZB-MR3 wins on its strongest specs and its broader overall balance, but Smlight SLZB-MR4 answers with stronger results on its strongest specs and its broader overall balance. That is why the final recommendation depends on your specific use case. That keeps the verdict useful without pretending there is a fake winner.

Smlight

Smlight SLZB-MR3

$105.99

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Smlight

Smlight SLZB-MR4

Price unavailable right now

BUY NOW

Feature	Smlight SLZB-MR3	Smlight SLZB-MR4	Winner
Zigbee Chip Model	EFR32MG24 / CC2674P10	EFR32MG26 / CC2674P10	Different strengths
Warranty	1 year	1 year	Tie
Power	USB, PoE	USB, PoE	Tie
Connectivity	USB, Ethernet, 2.4 GHz Wifi	USB, Ethernet, 2.4 GHz Wifi	Tie
Zigbee Router	YES	YES	Tie
Z-Wave Controller	NO	NO	Tie
Thread Border Router	YES	YES	Tie
Matter Bridge	NO	NO	Tie
Amplifier Gain	+20dB	+20dB	Tie
Antenna Gain	+5dBi	+5dBi	Tie
Dual Network	YES	YES	Tie
Bluetooth Proxy	YES	YES	Tie

Smlight

Smlight SLZB-MR3

$105.99

BUY NOW

+ Smlight SLZB-MR3 has a viable feature set with no obvious deal-breaker in the available data.

Smlight

Smlight SLZB-MR4

Price unavailable right now

BUY NOW

+ Smlight SLZB-MR4 has a viable feature set with no obvious deal-breaker in the available data.

Frequently Asked Questions (FAQ)

Which is better overall: Smlight SLZB-MR3 or Smlight SLZB-MR4?: This one is close. Smlight SLZB-MR3 leads in some areas, while Smlight SLZB-MR4 leads in other areas.
What is the biggest difference between Smlight SLZB-MR3 and Smlight SLZB-MR4?: Zigbee Chip Model is one of the clearest differences: Smlight SLZB-MR3 lists EFR32MG24 / CC2674P10, while Smlight SLZB-MR4 lists EFR32MG26 / CC2674P10.
Who should buy Smlight SLZB-MR3?: Choose Smlight SLZB-MR3 if your priority is its specific strengths and that matters more than the competing advantages.
Who should buy Smlight SLZB-MR4?: Choose Smlight SLZB-MR4 if your priority is its specific strengths and that matters more than the competing advantages.

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